FSA 45 - $129.95 DSRP


Distributor Suggested Retail Price
FSA 45 w/ integrated battery

DSRP: $129.95

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Reserve with STIHL Express for In-Store Pick Up

An affordable string trimmer including a built-in battery and adjustable shaft length.

With its integrated battery, the FSA 45 string trimmer is a great choice for occasional use on small properties. Part of the AI Series, the FSA 45 comes standard with the STIHL PolyCut™ 2-2 mowing head, making it ideal to cut in hard-to-reach places and large areas of tall grass. This STIHL AI Series trimmer is lightweight at only 5.1 lbs. (including battery) and can trim the length of three footb...Read More
Print Spec Sheets
FSA 45 Specifications
CUTTING WIDTH 23 cm (9")
WEIGHT (w/ Integrated Battery)* 2.3 kg (5.1 lbs.)
BATTERY SERIES AI Series
RUN TIME (w/ Integrated Battery) W/ STIHL PolyCut™ blade: Up to 20 min.
W/ Round Quiet Line .065": Up to 12 min.
*Weight without cutting attachment or guard. Comes with integrated battery and charger.
Model Features
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    Reduced-Emission Engine Technology - Caring for Nature
    The STIHL Inc. “Caring for Nature” seal identifies its powered products that are more environmentally conscious, producing zero or low exhaust emissions. STIHL Inc. defines “low exhaust emissions” as being cleaner than EPA and/or CARB exhaust emission standards.

    More Information

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    Compact, ergonomic design
    The compact, ergonomic design provides more comfortable use.
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    Lightweight Portability
    Great for maneuverability and extended use.
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    Hanging Loop
    Hang your cordless trimmer securely on a wall to save space using the loop in the handle housing.

    See it in action!
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    Activation Key
    When removed, the activation key helps prevent accidental use/startup of the product. Battery will still charge with activation key removed – charge lights also work as well
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    Battery Indicator Lights 
    This product is equipped with built-in indicator lights, showing the battery status and remaining level of charge.
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    Rubberized Soft Touch Handle 
    Soft rubber texture is both easy to grip and makes the product comfortable to hold for extended periods. 
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    Loop Handle
    A thumb screw allows the ergonomic loop handle to be easily adjusted to desired position without tools.  

Important Information
WARNING! Improper use of any trimmer/brushcutter can cause serious or fatal injury. Read, understand and follow all safety instructions in your instruction manual. To reduce the risk of injury from blade contact, circular saw blades may be used on FS brushcutters that have a limitstop, a bicycle handle and double shoulder harness and not on FS brushcutters with a "J" handle or loop handle. Other rigid blades may be used on FS brushcutters having a bicycle handle, a "J" handle or a loop handle equipped with a barrier bar. To reduce the risk of eye injury always wear proper eye protection. Always use the appropriate deflector for the type of cutting attachment, as explained in your instruction manual.
Note: STIHL engine products with the Caring for Nature logo are cleaner than EPA Standards for exhaust emissions.
WARNING! Improper use of any power tool may cause serious or fatal injury. Read, understand and follow carefully the operating and safety instructions in your instruction manual before using such products.

STIHL products sold through U.S. STIHL Dealers are for distribution in the United States only.
Click to view the STIHL Limited Warranty Time Periods
For Your Safety
  • Camo Glasses Zoom
    Camo Glasses
    Style and protection come together with STIHL Camo Frame Glasses. These eye protection goggles are wrapped in camouflage print and provide 99% UV protection. Soft rubber temple tips and nosepiece help maintain fit and while reducing slippage.
  • STIHL Landscaper Series™ Gloves Zoom
    STIHL Landscaper Series™ Gloves
    Exclusive deerhide leather provides fantastic wear properties and excellent sense of touch and feel. Naturally soft leather provides all-day working comfort. Sizes available S, M, L, XL.
  • Reusable Ear Plugs Zoom
    Reusable Ear Plugs
    Top-quality hearing protection you can keep in your pocket. NRR 27 Reusable Ear Plugs from STIHL feature multiple layers of air cushioning for superior noise reduction and long-lasting comfort. Their tapered design provides a secure seal that keeps you protected almost anywhere – from the shooting range to the job site. And thanks to the included nylon cord and carrying case, you can keep your ear plugs handy for the long haul.

Are You Ready for a STIHL?

FSA 45 is rated 3.1 out of 5 by 65.
Rated 4 out of 5 by from Great light weight weedeater I really like that I can just unplug my trimmer and go cut around my house. I don't have to mess with gas, oil, or a spool of line. It stays charged up for as long as I want to spend trimming at one time, about 30 minutes. It recharges in a couple of hours.
Date published: 2018-09-20
Rated 5 out of 5 by from This a great tool The FSA 45 is very easy to use. The instructions were easy to follow. I had a great time weed waking my yard.
Date published: 2018-09-03
Rated 5 out of 5 by from Outstanding performance, light weight and extremely easy to use. Cuts well, battery seems to last 30 minutes or longer. Great value!!!
Date published: 2018-09-03
Rated 5 out of 5 by from Makes this chore easier Not having to fight with 100 + Ft of extension cord is really great. I don't have a garage so the battery operation definitely scores big with me as well.
Date published: 2018-08-27
Rated 2 out of 5 by from Wish I had purchased a gas trimmer Battery life is the pits,,, can’t get more than 10 minutes use after a 24 hour charge / recharge. The claim of enough charge to trim 3 football fields is a joke!
Date published: 2018-08-25
Rated 5 out of 5 by from I like it This trimmer is light weight, but powerful enough to trim around bushes and fairly deep growth in areas the mower cannot reach. Not having used a battery powered lawn tool, I was surprised at how long the battery lasts. The only negative is the angle of the handle when holding the switch. It is a little uncomfortable on extended use.
Date published: 2018-08-21
Rated 5 out of 5 by from Works well & is nice & light We are very pleased with our weed trimmer. It is light, has enough power to do what we need & was reasonably priced. Thank you for your help in picking out what we needed & for being pleasant.
Date published: 2018-08-17
Rated 5 out of 5 by from Excellent trimmer for small jobs. Cannot imagine why anyone would buy another brand. The adjustable length made it ideal. This was my first Stihl product. There will be more.
Date published: 2018-08-02
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